单项选择题


Passage Two
Questions 30 to 32 are based on the passage you have just heard.

A．Sleep can strengthen memories.
B．Sleep can recover memories.
C．Sleep can protect memories against interference.
D．Sleep can harm memories.
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单项选择题
A．Business success takes a high level of activity.B．Top managers are generally gifted at judging people.C．Business success takes the ability m cope with stress.D．Different executives make their communications come through in different ways.
A．Business success takes a high level of activity.
B．Top managers are generally gifted at judging people.
C．Business success takes the ability m cope with stress.
D．Different executives make their communications come through in different ways.
单项选择题
A．They develop their identities within peer groups.B．They receive informal education.C．They perform voluntary community services.D．They participate in all kinds of extracurricular activities.
A．They develop their identities within peer groups.
B．They receive informal education.
C．They perform voluntary community services.
D．They participate in all kinds of extracurricular activities.
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